She will only be able to get pregnant when she is in heat. Courting looks a lot like play and sometimes you don't know until you know unless she is cued into watching her well for signs of heat.
Many folks keep the males intact until they are fully grown and developed physically and emotionally and others prefer to neuter young. There a LOTS of discussions on that topic her to weed through.
NAPWDA Certified Cadaver Dog
Waiting at the Bridge (italics
=GSDs) (hemangiosarcoma=blue):Grim , Cyra, Toby
, Rainbow, Linus, Oscar
, Arlo & Waggles